QR Code .NET Generator DLL in C# | Free .NET program C# sample code available

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C# Barcode Generation

Barcode in C# > 2D > QR Code

QR Code Barcode Generator for C#.NET-Benefits

Easy-to-use .NET Barcode SDK for C#.NET

QR Code .NET Generator SDK integrates into C# projects with Xcopy deployment; it is ready-to use after installation, and could be drag &drop onto your C#.NET Windows Forms, C# Web Forms, C#.NET class, and console applications.

.NET Barcode Generator SDK library includes ASP.NET Barcode Generator, C# Barcode Generator, VB.NET Barcode Generator, QR Code Generator .NET, QR Code Generator ASP.NET, QR Code Generator C#, QR Code Generator VB.NET.

Robust .NET Barcode Control Library

QR Code .NET Generator Control for C#.NET is a robust .NET Control that allows C#.NET developers to print QR Code barcode in their windows application. This control is entirely written by managed code in C# using strong named and digitally signed assemblies

Dedicated QR Code Generator

C# QR Code .NET Generator include mature and comprehensive generation features that could be added into projects in C#.NET thus qualified QR Code could be generated in C#.NET; it supports module sizing and QR Code versions, meanwhile it include function for automated data mode selection

Standard QR Code Generation

QR Code .NET Generator is a quality image generator for C#.NET developers that generates standard QR Code in .NET Windows forms from ISO / IEC 18004 (2nd edition 2006-09-01) which is the latest barcode symbology

Multiple Barcode Types Supported in C#.NET

Generate, print over 30 linear, 2d barcode images in C#.NET including Generate Code 128 in C#, Print Data Matrix using C#, Encode PDF-417 in C#, Integrate UPC in C#, Insert Code 39 barcodes using C#, Add GS1-128 barcodes into C#,Create EAN-13 barcodes in C# etc.

QR Code Barcode Generator for C#.NET--- Overview

QR Code Visual C# .NET Barcode Library is a functional .NET barcode-generating component who creates and prints QR Code and another 40+ linear & 2D barcodes in Visual C# .NET projects. Free C#.NET sample code is available

QR Code Introduction

2D barcode symbology QR Code, abbreviated from Quick Response Code, is one of the most popular barcode nowadays. Its large data capacity and high speed scanning had made it widely used in advertising and marketing industries.

QR Code Valid Data Characters

Standard ASCII Characters
Extended ASCII Characters

QR Code Valid Data Length

4,296 characters (Max)
2,953 bytes (Max)
7,089 characters (Max)
1,817 characters (Max)

Creating QR Code Barcodes in C# .NET class

Add QR Code Barcode in Windows Application using C# Class Library

Download Terrek.Dotnet.zip, save it in local drive, and unzip;
Add Terrek.Barcode.DotNET.dll to the C# Winform project reference;
Drag and drop a button to the form, and double-click the button;
In the Form1.cs, copy the following sample code to the project

Print QR Code Barcode in ASP.NET Using C#

Download Terrek ASP.NET barcode trial and unzip;
Add Terrek.Barcode.ASPNET.dll to your project. Do not copy the DLL to the bin directory, Visual Studio will do so automatically;
Open your Visual Studio in Web Forms and add Terrek.Barcode.ASPNET.dll to your reference in "Solution Explorer";
Go to "Barcode" folder in the trial package, copy files "barcode.aspx" and "barcode.aspx.cs", to the project where aspx barcodes are generated;
Right click on the aspx name in "Solution Expolrer" and select "View Code";
Copy the sample C# code in to the project and run the programm.

Generate QR Code using C# - Free C# Sample Code

using Terrek.Barcode;
BarcodeControl qrcode = new BarcodeControl();
qrcode. Symbol = BarcodeSymbol.QRCode;
qrcode.BarcodeData = "http://www.terrek.com/products/aspnet_barcode/aspnet_qrcode.shtml";
qrcode.QRCodeDataMode=QRCodeDataMode.Auto;
qrcode.QRCodeECL=QRCodeECL.H;
qrcode.MeasuringUnit = MeasuringUnit.PIXEL;
qrcode.BarWidth = 2;
qrcode.QRVersion=QRCodeVersion.V10;
qrcode.DotsPerInch = 96;
qrcode.BarcodeFormat = System.Drawing.Imaging.ImageFormat.Png;
qrcode.drawBarcode("C:\\qrcode.png");
//Drawing & printing barcode to .NET Graphics, Stream & Bitmap objects
public Bitmap createBarcode ();
public byte[] createBarcodeToByteArray();
public void createBarcode (Graphics graphics);
public void createBarcode (string filename);
public void createBarcode (Stream fileStream);

Print QR Code Barcode in Windows Application and ASP.NET using C#